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    Amphorosphaeridium
                    | Amphorosphaeridium | |
| Davey, R.J. (1969c) | |
| Stover, L.E. and Evitt, W.R. (1978) | |
| Active | |
| Subfamily Gonyaulacaceae/Uncertain | |
| fenestratum | |
| 72 | |
| 55 | |
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                                                            No synonyms
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                                                            No synonyms
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